Update clang, re-enable checker, fix issues it flags

services/files/c/tests/mojio_impl_test_base.cc

Index: services/files/c/tests/mojio_impl_test_base.cc
diff --git a/services/files/c/tests/mojio_impl_test_base.cc b/services/files/c/tests/mojio_impl_test_base.cc
new file mode 100644
index 0000000000000000000000000000000000000000..87600bac6c3d86ee082eb4a2bc388e502db26f32
--- /dev/null
+++ b/services/files/c/tests/mojio_impl_test_base.cc
@@ -0,0 +1,29 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "services/files/c/tests/mojio_impl_test_base.h"
+
+namespace mojio {
+namespace test {
+
+MojioImplTestBase::MojioImplTestBase() {
+}
+MojioImplTestBase::~MojioImplTestBase() {

[viettrungluu, 2015/04/03 19:45:31]

nit: blank line above

+}
+
+void MojioImplTestBase::SetUp() {
+  mojo::test::ApplicationTestBase::SetUp();
+
+  mojo::files::FilesPtr files;
+  application_impl()->ConnectToService("mojo:files", &files);
+
+  mojo::files::Error error = mojo::files::ERROR_INTERNAL;
+  files->OpenFileSystem(mojo::files::FILE_SYSTEM_TEMPORARY,
+                        mojo::GetProxy(&directory_), Capture(&error));
+  MOJO_CHECK(files.WaitForIncomingMethodCall());
+  MOJO_CHECK(error == mojo::files::ERROR_OK);
+}
+
+}  // namespace test
+}  // namespace mojio